Stereoskoop on vahend (tavaliselt binokulaarne optikaseade), millega vaadeldakse samal ajal kahte sama stseeni veidi erineva pildistamiskohaga fotot. Tekib näivalt ruumiline kujutis.
Stereoscopes and their associated instrumentation provide a low-cost means of creating a 3D view of the ground surface and of using the effects of parallax to record, by means of parallax bars, the 3D coordinates of points on that surface.
